English

Definition of chatterbox noun from the Oxford Advanced Learner's Dictionary

 

chatterbox

 noun
noun
BrE BrE//ˈtʃætəbɒks//
 
; NAmE NAmE//ˈtʃætərbɑːks//
 
(informal)
 
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a person who talks a lot, especially a child She hardly said a word until she was two, but now she's a little chatterbox.
See the Oxford Advanced American Dictionary entry: chatterbox